A laser beam (? = 694 nm) is incident on two slits 0.100 mm apart. Approximately how far apart (in m) will the bright interference fringes be on the screen 5.00 m from the double slits?
a. 3.47 × 10^?3
b. 3.47 × 10^?2
c. 3.47 × 10^?4
d. 3.47 × 10^?6
e. 3.47 × 10^?5
b
Physics & Space Science
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A) 700 joules. B) 1000 joules. C) 1400 joules. D) much more than 1400 joules.
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The faintest star visible to the naked eye has an apparent visual magnitude of about
A) 10. B) 6. C) 1. D) 0. E) -6.
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Fusion depends upon the ________ nuclear force getting the protons to stick together
Fill in the blank(s) with correct word
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Consider a very small hole in the bottom of a tank 20.0 cm in diameter filled with water to a height of 50.0 cm. Find the speed at which the water exits the tank through the hole
A) 3.13 m/s B) 9.80 m/s C) 31.8 m/s D) 34.9 m/s
Physics & Space Science